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Finding the Third Proportional to 299.25 and 461.25

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Solution

The third proportional to 299.25 and 461.25 is: 710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.25 : 461.25 = 461.25 : x
  2. Step 2: Convert to fraction form
    299.25/461.25 = 461.25/x
  3. Step 3: Cross multiply
    299.25x = 461.25 × 461.25
  4. Step 4: Simplify right side
    299.25x = 212,751.56
  5. Step 5: Solve for x
    x = 212,751.56/299.25
  6. Step 6: Final answer
    x = 710.95

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.